Beehive coke oven

Question: Beehive coke oven
[A].

facilitates by-products recovery.

[B].

takes 2-3 days for coking of coal but requires no external fuel for heating.

[C].

gives larger yield of coke (around 85%) as compared to by-product ovens.

[D].

produces coke with very poor strength.

Answer: Option B

Explanation:

No answer description available for this question.